mm/memory-failure: remove hugetlb output parameter from try_memory_failure_hugetlb()

mm/memory-failure: remove hugetlb output parameter from try_memory_failure_hugetlb()

Use -ENOENT return value to distinguish "not a hugetlb page" from "hugetlb
handled", instead of carrying an extra output parameter.

Link: https://lore.kernel.org/20260515020144.164941-1-ye.liu@linux.dev
Signed-off-by: Ye Liu <liuye@kylinos.cn>
Suggested-by: Oscar Salvador <osalvador@suse.de>
Acked-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Oscar Salvador (SUSE) <osalvador@kernel.org>
Cc: Naoya Horiguchi <nao.horiguchi@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>